new Ext.Panel(
{
	height: 200,
	layout: 'fit',
	items:
	[
	    {
		    xtype: 'container',
		    html: 'abc',
		    height: 100
	    },
	    {
		    xtype: 'container',
		    html: 'def',
		    height: 100
	    }
	],
	renderTo: Ext.getBody()
});